AI Tinkerers Lisbon and PostHog co-host a demo night during Lisbon AI Week. Engineers give short, live demos of AI running in production; PostHog sponsors food and drinks. Screened, builder-only room — working prototypes, architecture lessons and failures, no sales decks. Local chapter organisers: Dmitry and Raúl Berganza. Co-sponsors listed on the banner: PostHog, Vexa, E-Sports.